Method and device for detecting a fiber lap as well as a...

Details Method and device for detecting a fiber lap as well as a... Method and device for detecting a fiber lap as well as a...

2007-04-03

2007-04-03

Barlow, John (Department: 2863)

Data processing: measuring, calibrating, or testing

Measurement system

Performance or efficiency evaluation

Reexamination Certificate

active

11028762

ABSTRACT:
A method and a device for detecting a fiber lap on a rotating machine component, wherein a sensor signal is used to detect the fiber lap that has formed on the circumference of the component. To enable a noncontacting monitoring despite unfavorable environmental conditions, the sensor signal includes ultrasound, and an echo sound signal is evaluated to detect the presence of a fiber lap. In one disclosed embodiment, the detecting device is used in association with a fiber cutting machine for cutting tow, and which includes a rotating cutting blade holder and a rotatable pressure ring, which cooperate for cutting the tow. To achieve a shutdown of the machine as quickly as possible upon formation of a fiber lap, the fiber lap is directly monitored on the circumference of the pressure ring by means of a sensor unit which has an ultrasonic transmitter and a sound receiver.

REFERENCES:
patent: 5501104 (1996-03-01), Ikeda et al.
patent: 5767963 (1998-06-01), Berger
patent: 6098684 (2000-08-01), Terawaki
patent: 101 12 679 (2001-10-01), None
patent: 7133061 (1995-05-01), None
Merriam-Webster's dictionary Tenth edition, 1993, p. 431, 1224.

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